27866237459 has 2 divisors, whose sum is σ = 27866237460. Its totient is φ = 27866237458.

The previous prime is 27866237449. The next prime is 27866237471. The reversal of 27866237459 is 95473266872.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27866237459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27866237398 and 27866237407.

It is not a weakly prime, because it can be changed into another prime (27866237449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13933118729 + 13933118730.

It is an arithmetic number, because the mean of its divisors is an integer number (13933118730).

Almost surely, 2^27866237459 is an apocalyptic number.

27866237459 is a deficient number, since it is larger than the sum of its proper divisors (1).

27866237459 is an equidigital number, since it uses as much as digits as its factorization.

27866237459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 59.

The spelling of 27866237459 in words is "twenty-seven billion, eight hundred sixty-six million, two hundred thirty-seven thousand, four hundred fifty-nine".